PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Cleiothyridina milleri

Rhynchonellata - Athyridida - Athyrididae

Taxonomy

Cleiothyridina milleri was named by Savage et al. (1978). Its type specimen is USNM 223916 and is a 3D body fossil.

Sister species lacking formal opinion data

C. angelicoides, C. coloradoensis, C. crassicardinalis, C. deroissii, C. elegans, C. fimbriata, C. glabristria, C. humerosa, C. incrassata, C. media, C. pecossi, C. segmentata, C. squamosa, C. transversa

Synonymy list

Year	Name and author
1978	Cleiothyridina milleri Savage et al. p. 385 figs. Pl. 1, figs. 11-20; Text-figs. 14-16

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
—	Lophophorata
—	Panbrachiopoda	Carlson and Cohen 2020
phylum	Brachiopoda	Cuvier 1805

Rank	Name	Author
subphylum	Rhynchonelliformea	Williams et al. 1996
class	Rhynchonellata	Williams et al. 1996
order	Athyridida	Boucot et al. 1964
suborder	Athyrididina	Boucot et al. 1964
superfamily	Athyridoidea	McCoy 1844
family	Athyrididae	McCoy 1841
subfamily	Cleiothyridininae
genus	Cleiothyridina	Buckman 1906
species	milleri

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Cleiothyridina milleri Savage et al. 1978

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Diagnosis

Reference	Diagnosis
N. M. Savage et al. 1978	A Cleiothyridina with a slightly emarginate anterior margin, a strong fold and sulcus, and a width generally exceeding the length. The cardinal plate is imperforate and the ornament very weak.